Movable or removable closures – Mounted for multidirectional or oblique movement – Swings on plural axes; e.g. – pivotal link arms
Patent
1991-09-06
1993-10-26
Kannan, Philip C.
Movable or removable closures
Mounted for multidirectional or oblique movement
Swings on plural axes; e.g., pivotal link arms
16370, 16371, 49248, 49250, E05D 1530
Patent
active
052554716
ABSTRACT:
A friction stay has a base member for connection to a fixed window frame. A linkage is provided and mounted on the base member and including an arm which connects to an opening window leaf. The linkage includes a part pivotally mounted on a slider carried by the base member for sliding movement as the arm moves between closed and open positions. A locking member is carried on the slider or on the arm and, as the window leaf is moved to the closed position, the locking member is moved to a position in which it projects from the base member and engages with a window frame to prevent unauthorized separation of the base member from the frame. The locking member may be carried by the slider or by the arm.
REFERENCES:
patent: 2844850 (1958-07-01), Eisenberg
patent: 4718144 (1988-01-01), Buckley
patent: 4930185 (1990-06-01), Hutton
Griffin Kenneth G.
Shaw Michael S.
Feneseal Limited
Kannan Philip C.
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